From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Impracticality of a proposed patent locking nut invention.
| Identifier | ExFiles\Box 77\5\ scan0232 | |
| Date | 25th March 1927 | |
| "Hs{Lord Ernest Hives - Chair}" Derby X1221 Ps1/JP.25/3/27 RE: NUT WITH PATENT LOCKING DEVICE. You will remember I showed you a set of patent locking nuts. I am convinced they are not practical, but just send me a memo, two lines, in which you say the invention is clever but does not appear to interest us. Ps. | ||